package com.example.zhangjy.collweather.db;

import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

/**
 * Created by dell on 2015/8/27.
 */
public class CollWeatherOpenHelper extends SQLiteOpenHelper{


    /**
     * 省建表语句
     */
    public static final String CREATE_PROVINCE = "create table province ("
            +"id integer primary key autoincrement, "
            +"province_name text, "
            +"province_code text)";

    /**
     * 市建表语句
     */
    public static final String CREATE_CITY = "create table city ("
            +"id integer primary key autoincrement, "
            +"city_name text, "
            +"city_code text, "
            +"province_id integer)";

    /**
     * 县建表语句
     */
    public static final String CREATE_COUNTY = "create table county ("
            +"id integer primary key autoincrement, "
            +"county_name text, "
            +"county_code text, "
            +"city_id integer)";

    public CollWeatherOpenHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
        super(context, name, factory, version);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {

        db.execSQL(CREATE_PROVINCE);
        db.execSQL(CREATE_CITY);
        db.execSQL(CREATE_COUNTY);

    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

    }
}
